Sony HCD-EP404 - Schematic Diagram PANEL Section

2424
HCD-EP404
6-8. Schematic Diagram PANEL Section
• See page 15 for Waveforms.
4.9 4.9 4.8 4.8 4.9
0
0<5>
4.8
0
4.8
0 0 0
4.8 4.8 2.4 2.4
0
0
5.4
5.4
0
4.8
4.7 0.2
2.4
4.3
No mark: FM
< > : CD
2.4
4.8
4.8
3.2
1.6
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4
2.4
4.8
4.9 <5.4>
4.8
2.6
2.3
4.8
4.8
5,4
5,4
0
0<4.8>
0
4.8<0>
0
4.8
0
4.9
5.4
2.3
<4.9>
5.4
4.9 <0>
4.9
4.9
3
4.9
4.9
0
4.8
0
5.7
4.8
4.8
4.8
6.2
5.3
5.4
5.7
DISPLAY BOARD
LED BOARD
MUSIC MENU
MEGA BASS
TUNING+ TUNING-
PRESET-PRESET+DISPLAY
TIMER
TUNERTAPECD
TUNER MEM
ENTER
PLAY
MODE
SEL2215S
2SC536N
0
10V
50V
2SC536N
0
50V
PST529D
0.1
VOLUME
ENCODER
0.001
0.001
2SC536N
SWITCHING
SEL2215S
0.1
0.1
0.1
0.1
0.1
NC NC
24/12
RDS RDS
0.1
0.1
0.1
0.1
2SC536N
SEL2910D SEL2910D SEL2910D
(LIQUID CRYSTAL DISPLAY)
IC302
IC304
X302
REMOTE CONTROL
RECEIVER
RESET SIGNAL
GENELATOR
+5V REG
EEP ROM
LED DRIVE
LED
DRIVE
IC301
SYSTEM CONTROL
TO
MAIN BOARD
(1/3) CN402
B
(Page 20)
TO
MAIN BOARD
(1/3) CN704
E
(Page 20)
TO
MAIN BOARD
(2/3)
C
(Page 21)
TO
MAIN BOARD
(2/3)
CN705
D
(Page 21)
12
A
B
C
D
E
F
G
H
I
345678910111213
• See page 29 for IC Pin Function Description.